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Acquisitions - Summary of Operating Information on Pro Forma Basis (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Feb. 28, 2014 | Feb. 28, 2013
Business Combinations [Abstract] |  |
Pro forma net sales | $ 578,900 | $ 594,802
Pro forma net earnings | $ 15,972 | $ 31,908
Pro forma earnings per share - diluted | $ 0.61 | $ 1.22

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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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